A display control device includes a video data acquisition unit acquiring video data from a camera that captures a video in a moving direction of a vehicle, a parking line recognition unit recognizing a parking line being a line of a parking space from the video data, a center line generation unit generating a center line of the parking space from the recognized parking line, a vehicle moving line generation unit generating a vehicle moving line extending in the moving direction of the vehicle from a position corresponding to a center part along a width of the vehicle, a superimposed video generation unit generating superimposed data being video data where the center line and the vehicle moving line are superimposed on the video data, and a display control unit transmitting the superimposed data to a display unit to display a video related to the superimposed data on the display unit.